WO2008138721A1 - Arrangement for lubricating and cooling the lamellar switching elements of a rear axle transmission - Google Patents
Arrangement for lubricating and cooling the lamellar switching elements of a rear axle transmission Download PDFInfo
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- WO2008138721A1 WO2008138721A1 PCT/EP2008/054963 EP2008054963W WO2008138721A1 WO 2008138721 A1 WO2008138721 A1 WO 2008138721A1 EP 2008054963 W EP2008054963 W EP 2008054963W WO 2008138721 A1 WO2008138721 A1 WO 2008138721A1
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- transmission
- oil
- carrier
- cooling
- arrangement
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0483—Axle or inter-axle differentials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
Definitions
- the present invention relates to an arrangement for lubricating or cooling the multi-disk shift elements of a rear axle or a transmission device for distributing a drive torque to at least two output shafts according to the preamble of patent claim 1.
- a transmission module for variable torque distribution in the drive train of a motor vehicle which is rotatably mounted relative to a stationary housing about a rotation axis, a second drive shaft connected to the first shaft, one in the torque flow between the first shaft and the second shaft arranged gear stage with at least one planetary gear and the at least one planet carrier supporting member which can rotate about the axis of rotation and comprises a clutch which is supported on the housing and serves for coupling of the support member relative to the housing.
- a differential gear comprising a rotatable member on the input side for receiving an external driving force, two rotatable components on the output side, which are arranged coaxially to the axis of rotation of the input-side rotatable member, a transmission housing, in in that the input-side component and the output-side components are freely rotatably mounted, wherein a rotational force of the input-side rotatable component is transmitted to the output-side rotatable components, while a different rotational speed between the output-side rotatable components is allowed.
- This differential gear further includes a first input side gear mounted on the input side rotatable member at one axial end thereof which is rotatable together with the input side rotatable member, a second input side gear mounted on the input side rotatable member and together therewith is rotatable, a first output-side gear having a delay ratio which is larger or smaller with respect to the first input-side gear, wherein the first output-side gear is rotatable together with the output-side rotatable components, a second output-side gear having a deceleration ratio which is smaller or larger with respect to the second input-side gear is at least one planetary gear meshing with the first input-side gear and the first output-side gear, and at least one second planetary gear with the second input-side gear and de m second output-side gear meshes.
- the second input-side gear is arranged on the input-side rotatable component at one axial end, wherein the second output-side gear is coaxially rotatable with one of the output-side rotatable components.
- the differential gear on a carrier which supports the first planetary gear and the second planetary gear so that they can rotate about their own axes and rotate about the axis of rotation of the input-side rotatable member.
- a first rotation control for controlling the rotation of the carrier about the rotation axis of the input side rotatable member with any control force and a second rotation control for controlling the rotation of the second output side gear with any control force
- the rotation controls comprise a number of friction plates, the together with the carrier or the second output-side gear are rotatable, and a number of friction plates, which are rotatable together with the housing;
- pressure means are provided for compressing the friction plates with any pressure force.
- two planetary gear sets are positioned next to a standard cone compensation differential such that a sun gear of the respective planetary gear set on the differential carrier and a second, sun gear driven sun gear are arranged on the output shaft.
- the planetary gear sets have no ring gear and the webs of the planetary gear sets can be coupled to generate a torque vectoring torque by means of a multi-disc brake to the housing, whereby a moment is passed from the differential carrier in the direction of the respective wheel.
- the present invention has for its object to provide an arrangement by which a cooling or lubrication of the Lamellenschaltele- elements of a Häachsgetriebes or a transmission device for distributing a drive torque to at least two output shafts is made possible without the need for an oil pump.
- an arrangement for lubricating or cooling the slat lenschaltiata a rear axle or a transmission device for distributing a drive torque to at least two output shafts in which radially considered in the upper or outer region of the transmission above the respective switching element, an oil collection chamber is arranged such that the thrown by the rotation of the rotating components of the transmission oil is conveyed into the oil sump.
- Running according to the invention the collected oil through housing feedthroughs in the direction of the transmission center axis in the disk carrier and is pressed by the occurring centrifugal forces through the slats of the disk switching element.
- the lamellae of the inner disk carrier or the inner disks of the disk switching element are arranged in milled slots, which serve as driving teeth and oiling openings.
- the inventive concept eliminates the need for an oil pump for lubricating the multi-disc brakes; due to the combination of splash lubrication (the lamellae partially submerge in the oil level) and internal lubrication ensures effective cooling. Furthermore, the manufacture of the arrangement according to the invention is simple and inexpensive.
- Figure 1 is a sectional view of a part of a Schuachsgetriebes, which represents a lamellar switching element and an executed according to the invention oil catchment space, wherein the switching element is a brake, the inner disk carrier is connected to the planet carrier of a planetary gear set;
- Figure 2 A view of the milled slots of the planet carrier of the transmission according to Figure 1, which serve according to the invention as driving teeth and oiling holes; and
- Figure 3 A perspective view of a part of the housing of a Schuachsgetriebes illustrating the formed according to the invention oil catchment space.
- FIG. 1 shows a part of a rear axle 1 is shown, in which two planetary gear sets 5 are arranged on each side of a conical differential, so that a drive-side sun gear 8 of the respective planetary gear set 5 on the differential carrier and a second sun gear 6 abthebs workedes arranged on the output shaft 7 is.
- the planet carrier 2 of the planetary gear sets for generating a torque-vectoring torque can be coupled in each case by means of a multi-disc brake 3 to the housing 4, whereby a moment is passed from the differential carrier in the direction of the respective wheel.
- an oil collecting chamber 9 is arranged such that the thrown by the rotation of the rotating components of the transmission 1 oil is conveyed into the oil collecting chamber 9.
- the oil collected in the oil-collecting chamber 9 passes through housing passages through the ball-ramp mechanism for actuating the switching element 3 via the bearing neck in the direction of the transmission center axis into the disk carrier and is pressed by the lamellae of the switching element 3 due to the occurring centrifugal forces.
- the direction of the oil flow is illustrated by the arrow 10 in the figure.
- FIG. 3 is a perspective view of a part of the housing 4 for illustrating the oil catchment space 9.
- the invention provides an arrangement for cooling or lubricating the multi-disk shift elements of a rear axle or a transmission device for distributing a drive torque to at least two output shafts, which is simple in construction and does not require an oil pump.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Anordnung zur Schmierung bzw. Kühlung der Lamellenschaltelemente eines Arrangement for lubrication or cooling of the lamellar switching elements of a
Hinterachsgetriebesrear axle
Die vorliegende Erfindung bezieht sich auf eine Anordnung zur Schmierung bzw. Kühlung der Lamellenschaltelemente eines Hinterachsgetriebes bzw. einer Getriebevorrichtung zum Verteilen eines Antriebsmomentes auf wenigstens zwei Abtriebswellen gemäß dem Oberbegriff des Patentanspruchs 1.The present invention relates to an arrangement for lubricating or cooling the multi-disk shift elements of a rear axle or a transmission device for distributing a drive torque to at least two output shafts according to the preamble of patent claim 1.
Aus der DE 102005004290 A1 ist ein Getriebemodul zur variablen Drehmomentverteilung im Antriebsstrang eines Kraftfahrzeuges bekannt, welches eine erste Welle, die gegenüber einem stehenden Gehäuse um eine Drehachse drehbar gelagert ist, eine mit der ersten Welle antriebsverbundene zweite Welle, eine im Drehmomentfluss zwischen der ersten Welle und der zweiten Welle angeordnete Getriebestufe mit mindestens einem Planetenrad und einem das zumindest eine Planetenrad tragenden Trägerelement, das um die Drehachse umlaufen kann und eine Kupplung umfasst, die an dem Gehäuse abgestützt ist und zum Ankoppeln des Trägerelements gegenüber dem Gehäuse dient. Hierbei erfolgt durch Ankoppeln des Trägerelements gegenüber dem Gehäuse eine Drehmomentübertragung von der einen der beiden ersten und zweiten Wellen auf die andere der beiden Wellen.From DE 102005004290 A1 a transmission module for variable torque distribution in the drive train of a motor vehicle is known, which is rotatably mounted relative to a stationary housing about a rotation axis, a second drive shaft connected to the first shaft, one in the torque flow between the first shaft and the second shaft arranged gear stage with at least one planetary gear and the at least one planet carrier supporting member which can rotate about the axis of rotation and comprises a clutch which is supported on the housing and serves for coupling of the support member relative to the housing. Here, by coupling the carrier element relative to the housing, a torque transmission from one of the first and second shafts to the other of the two shafts.
Des weiteren ist aus der DE 697 10 033 T2 ein Differentialgetriebe bekannt, umfassend ein drehbares Bauteil auf der Eingangsseite zur Aufnahme einer externen Antriebskraft, zwei drehbare Bauteile auf der Ausgangsseite, die koaxial zu der Drehachse des eingangsseitigen drehbaren Bauteils angeordnet sind, ein Getriebegehäuse, in dem das eingangsseitige Bauteil und die aus- gangsseitigen Bauteile frei drehbar gelagert sind, wobei eine Drehkraft des eingangsseitigen drehbaren Bauteils auf die ausgangsseitigen drehbaren Bauteile übertragen wird, während eine unterschiedliche Drehzahl zwischen den ausgangsseitigen drehbaren Bauteilen zugelassen wird. Dieses Differentialgetriebe umfasst zudem ein erstes eingangsseitiges Zahnrad, das auf dem eingangsseitigen drehbaren Bauteil an dessen einem axialen Ende angebracht ist, welches zusammen mit dem eingangsseitigen drehbaren Bauteil drehbar ist, ein zweites eingangsseitiges Zahnrad, das an dem eingangsseitigen drehbaren Bauteil angebracht ist und zusammen mit diesem drehbar ist, ein erstes ausgangsseitiges Zahnrad mit einem Verzögerungsverhältnis, das größer oder kleiner in Bezug auf das erste eingangsseitige Zahnrad ist, wobei das erste ausgangsseitige Zahnrad zusammen mit den ausgangsseitigen drehbaren Bauteilen drehbar ist, ein zweites ausgangsseitiges Zahnrad mit einem Verzögerungsverhältnis, das kleiner oder größer in Bezug auf das zweite eingangsseitige Zahnrad ist, wenigstens ein Planetenrad, das mit dem ersten eingangsseitigen Zahnrad und dem ersten ausgangsseitigen Zahnrad kämmt, und wenigstens ein zweites Planetenrad, das mit dem zweiten eingangsseitigen Zahnrad und dem zweiten ausgangsseitigen Zahnrad kämmt.Furthermore, from DE 697 10 033 T2 discloses a differential gear, comprising a rotatable member on the input side for receiving an external driving force, two rotatable components on the output side, which are arranged coaxially to the axis of rotation of the input-side rotatable member, a transmission housing, in in that the input-side component and the output-side components are freely rotatably mounted, wherein a rotational force of the input-side rotatable component is transmitted to the output-side rotatable components, while a different rotational speed between the output-side rotatable components is allowed. This differential gear further includes a first input side gear mounted on the input side rotatable member at one axial end thereof which is rotatable together with the input side rotatable member, a second input side gear mounted on the input side rotatable member and together therewith is rotatable, a first output-side gear having a delay ratio which is larger or smaller with respect to the first input-side gear, wherein the first output-side gear is rotatable together with the output-side rotatable components, a second output-side gear having a deceleration ratio which is smaller or larger with respect to the second input-side gear is at least one planetary gear meshing with the first input-side gear and the first output-side gear, and at least one second planetary gear with the second input-side gear and de m second output-side gear meshes.
Bei dem Getriebe gemäß der DE 697 10 033 T2 ist das zweite eingangsseitige Zahnrad an dem eingangsseitigen drehbaren Bauteil an einem axialen Ende angeordnet, wobei das zweite ausgangsseitige Zahnrad koaxial drehbar mit einem der ausgangsseitigen drehbaren Bauteile ist. Des weiteren weist das Differentialgetriebe einen Träger auf, der das erste Planetenrad und das zweite Planetenrad so abstützt, dass sich diese um ihre eigenen Achsen drehen können und um die Drehachse des eingangsseitigen drehbaren Bauteils umlaufen.In the transmission according to DE 697 10 033 T2, the second input-side gear is arranged on the input-side rotatable component at one axial end, wherein the second output-side gear is coaxially rotatable with one of the output-side rotatable components. Furthermore, the differential gear on a carrier which supports the first planetary gear and the second planetary gear so that they can rotate about their own axes and rotate about the axis of rotation of the input-side rotatable member.
Ferner ist eine erste Drehsteuerung zur Steuerung der Drehung des Trägers um die Drehachse des eingangsseitigen drehbaren Bauteils mit beliebiger Steuerkraft und eine zweite Drehsteuerung zur Steuerung der Drehung des zweiten ausgangsseitigen Zahnrades mit beliebiger Steuerkraft vorgesehen, wobei die Drehsteuerungen eine Anzahl von Reibplatten umfassen, die zu- sammen mit dem Träger oder dem zweiten ausgangsseitigen Zahnrad drehbar sind, sowie eine Anzahl von Reibplatten, die gemeinsam mit dem Gehäuse drehbar sind; ferner sind Druckmittel zum Zusammendrücken der Reibplatten mit beliebiger Druckkraft vorgesehen.Further, a first rotation control for controlling the rotation of the carrier about the rotation axis of the input side rotatable member with any control force and a second rotation control for controlling the rotation of the second output side gear with any control force is provided, wherein the rotation controls comprise a number of friction plates, the together with the carrier or the second output-side gear are rotatable, and a number of friction plates, which are rotatable together with the housing; Furthermore, pressure means are provided for compressing the friction plates with any pressure force.
Bei dieser Konstruktion werden also zwei Planetensätze neben einem Standard-Kegelausgleichsdifferential derart positioniert, dass ein antriebsseiti- ges Sonnenrad des jeweiligen Planetensatzes auf dem Differentialkorb und ein zweites, abthebsseitiges Sonnenrad auf der Abtriebswelle angeordnet ist. Die Planetensätze weisen kein Hohlrad auf und die Stege der Planetensätze sind zur Erzeugung eines Torque-vectoring-Momentes jeweils mittels einer Lamellenbremse an das Gehäuse ankoppelbar, wodurch ein Moment vom Differentialkorb in Richtung des jeweiligen Rades geleitet wird.In this construction, therefore, two planetary gear sets are positioned next to a standard cone compensation differential such that a sun gear of the respective planetary gear set on the differential carrier and a second, sun gear driven sun gear are arranged on the output shaft. The planetary gear sets have no ring gear and the webs of the planetary gear sets can be coupled to generate a torque vectoring torque by means of a multi-disc brake to the housing, whereby a moment is passed from the differential carrier in the direction of the respective wheel.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Anordnung anzugeben, durch die eine Kühlung bzw. Schmierung der Lamellenschaltele- mente eines Hinterachsgetriebes bzw. einer Getriebevorrichtung zum Verteilen eines Antriebsmomentes auf wenigstens zwei Abtriebswellen ohne die Notwendigkeit einer Ölpumpe ermöglicht wird.The present invention has for its object to provide an arrangement by which a cooling or lubrication of the Lamellenschaltele- elements of a Hinterachsgetriebes or a transmission device for distributing a drive torque to at least two output shafts is made possible without the need for an oil pump.
Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst. Weitere erfindungsgemäße Ausgestaltungen und Vorteile gehen aus den Unteransprüchen hervor.This object is solved by the features of patent claim 1. Further embodiments and advantages of the invention will become apparent from the dependent claims.
Demnach wird eine Anordnung zur Schmierung bzw. Kühlung der Lamel- lenschaltelemente eines Hinterachsgetriebes bzw. einer Getriebevorrichtung zum Verteilen eines Antriebsmomentes auf wenigstens zwei Abtriebswellen vorgeschlagen, bei der radial betrachtet im oberen bzw. äußeren Bereich des Getriebes oberhalb des jeweiligen Schaltelementes ein Ölfangraum angeordnet ist, derart, dass das durch die Drehung der rotierenden Bauteile des Getriebes geschleuderte Öl in den Ölfangraum gefördert wird. Gemäß der Erfindung läuft das gesammelte Öl über Gehäusedurchführungen in Richtung Getriebemittelachse in den Lamellenträger und wird durch die auftretenden Zentrifugalkräfte durch die Lamellen des Lamellenschaltelementes gepresst.Accordingly, an arrangement for lubricating or cooling the slat lenschaltelemente a rear axle or a transmission device for distributing a drive torque to at least two output shafts is proposed, in which radially considered in the upper or outer region of the transmission above the respective switching element, an oil collection chamber is arranged such that the thrown by the rotation of the rotating components of the transmission oil is conveyed into the oil sump. Running according to the invention the collected oil through housing feedthroughs in the direction of the transmission center axis in the disk carrier and is pressed by the occurring centrifugal forces through the slats of the disk switching element.
Im Rahmen einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Lamellen des Innenlamellenträgers bzw. die Innenlamellen des Lamellenschaltelementes in Einfräsungen angeordnet sind, welche als Mitnahmeverzahnung und Beölungsöffnungen dienen.In the context of an advantageous development of the invention, it is provided that the lamellae of the inner disk carrier or the inner disks of the disk switching element are arranged in milled slots, which serve as driving teeth and oiling openings.
Durch die erfindungsgemäße Konzeption entfällt die Notwendigkeit einer Ölpumpe zur Schmierung der Lamellenbremsen; durch die Kombination von Tauchschmierung (die Lamellen tauchen teilweise im Ölspiegel ein) und Innenschmierung wird eine wirksame Kühlung gewährleistet. Des weiteren ist die Fertigung der erfindungsgemäßen Anordnung einfach und kostengünstig.The inventive concept eliminates the need for an oil pump for lubricating the multi-disc brakes; due to the combination of splash lubrication (the lamellae partially submerge in the oil level) and internal lubrication ensures effective cooling. Furthermore, the manufacture of the arrangement according to the invention is simple and inexpensive.
Die Erfindung wird im folgenden anhand der beigefügten Figuren beispielhaft näher erläutert. Es zeigen:The invention will be explained in more detail below with reference to the accompanying figures by way of example. Show it:
Figur 1 : Eine Schnittansicht eines Teiles eines Hinterachsgetriebes, welche ein Lamellenschaltelement sowie einen gemäß der Erfindung ausgeführten Ölfangraum darstellt, wobei das Schaltelement eine Bremse ist, deren Innenlamellenträger mit dem Planetenträger eines Planetensatzes verbunden ist;Figure 1 is a sectional view of a part of a Hinterachsgetriebes, which represents a lamellar switching element and an executed according to the invention oil catchment space, wherein the switching element is a brake, the inner disk carrier is connected to the planet carrier of a planetary gear set;
Figur 2: Eine Ansicht der Einfräsungen des Planetenträgers des Getriebes gemäß Figur 1 , welche gemäß der Erfindung als Mitnahmeverzahnung und Beölungsöffnungen dienen; und Figur 3: Eine perspektivische Ansicht eines Teiles des Gehäuses eines Hinterachsgetriebes zur Veranschaulichung des gemäß der Erfindung ausgebildeten Ölfangraums.Figure 2: A view of the milled slots of the planet carrier of the transmission according to Figure 1, which serve according to the invention as driving teeth and oiling holes; and Figure 3: A perspective view of a part of the housing of a Hinterachsgetriebes illustrating the formed according to the invention oil catchment space.
In Figur 1 ist ein Teil eines Hinterachsgetriebes 1 gezeigt, bei dem zwei Planetensätze 5 an jeweils einer Seite eines Kegelausgleichsdifferentials angeordnet sind, so dass ein antriebsseitiges Sonnenrad 8 des jeweiligen Planetensatzes 5 auf dem Differentialkorb und ein zweites, abthebsseitiges Sonnenrad 6 auf der Abtriebswelle 7 angeordnet ist. Hierbei sind die Planetenträger 2 der Planetensätze zur Erzeugung eines Torque-vectoring-Momentes jeweils mittels einer Lamellenbremse 3 an das Gehäuse 4 ankoppelbar, wodurch ein Moment vom Differentialkorb in Richtung des jeweiligen Rades geleitet wird.1 shows a part of a rear axle 1 is shown, in which two planetary gear sets 5 are arranged on each side of a conical differential, so that a drive-side sun gear 8 of the respective planetary gear set 5 on the differential carrier and a second sun gear 6 abthebsseitiges arranged on the output shaft 7 is. Here, the planet carrier 2 of the planetary gear sets for generating a torque-vectoring torque can be coupled in each case by means of a multi-disc brake 3 to the housing 4, whereby a moment is passed from the differential carrier in the direction of the respective wheel.
Gemäß der Erfindung ist radial betrachtet im oberen bzw. äußeren Bereich des Getriebes oberhalb des jeweiligen Schaltelementes ein Ölfangraum 9 angeordnet, derart, dass das durch die Drehung der rotierenden Bauteile des Getriebes 1 geschleuderte Öl in den Ölfangraum 9 gefördert wird. Das im Ölfangraum 9 gesammelte Öl läuft erfindungsgemäß über Gehäusedurchführungen durch den Kugelrampenmechanismus zur Betätigung des Schaltelementes 3 über den Lagerhals in Richtung Getriebemittelachse in den Lamellenträger und wird durch die auftretenden Zentrifugalkräfte durch die Lamellen des Schaltelementes 3 gepresst. Die Richtung des Ölflusses ist in der Figur durch den Pfeil 10 veranschaulicht.According to the invention, viewed radially viewed in the upper or outer region of the transmission above the respective switching element, an oil collecting chamber 9 is arranged such that the thrown by the rotation of the rotating components of the transmission 1 oil is conveyed into the oil collecting chamber 9. According to the invention, the oil collected in the oil-collecting chamber 9 passes through housing passages through the ball-ramp mechanism for actuating the switching element 3 via the bearing neck in the direction of the transmission center axis into the disk carrier and is pressed by the lamellae of the switching element 3 due to the occurring centrifugal forces. The direction of the oil flow is illustrated by the arrow 10 in the figure.
Wie aus Figur 1 ersichtlich, sind die Lamellen des Innenlamellenträgers bzw. die Innenlamellen des Schaltelementes 3 auf dem Planetenträger 2 in Einfräsungen 1 1 angeordnet, welche als Mitnahmeverzahnung und Beölungs- öffnungen dienen. Die Einfräsungen 1 1 sind in Figur 2 veranschaulicht. Gegenstand der Figur 3 ist eine perspektivische Ansicht eines Teiles des Gehäuses 4 zur Veranschaulichung des Ölfangraumes 9.As can be seen from Figure 1, the slats of the inner disk carrier or the inner disks of the switching element 3 are arranged on the planet carrier 2 in milled slots 1 1, which serve as driving teeth and Beölungs- openings. The milled 1 1 are illustrated in Figure 2. The subject matter of FIG. 3 is a perspective view of a part of the housing 4 for illustrating the oil catchment space 9.
Durch die Erfindung wird eine Anordnung zur Kühlung bzw. Schmierung der Lamellenschaltelemente eines Hinterachsgetriebes bzw. einer Getriebevorrichtung zum Verteilen eines Antriebsmomentes auf wenigstens zwei Abtriebswellen geschaffen, welche einfach aufgebaut ist und keine Ölpumpe benötigt. The invention provides an arrangement for cooling or lubricating the multi-disk shift elements of a rear axle or a transmission device for distributing a drive torque to at least two output shafts, which is simple in construction and does not require an oil pump.
BezuqszeichenREFERENCE CHARACTERS
1 Hinterachsgetriebe1 rear axle
2 Planetenträger2 planet carrier
3 Lamellenbremse, Schaltelement3 multi-disc brake, switching element
4 Gehäuse4 housing
5 Planetensatz5 planetary gear set
6 Sonnenrad6 sun wheel
7 Abtriebswelle7 output shaft
8 Sonnenrad8 sun wheel
9 Ölfangraum9 oil catchment room
10 Ölfluss10 oil flow
1 1 Einfräsung 1 1 milling
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007022182.9A DE102007022182B4 (en) | 2007-05-11 | 2007-05-11 | Transmission device for distributing a drive torque to at least two output shafts |
| DE102007022182.9 | 2007-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008138721A1 true WO2008138721A1 (en) | 2008-11-20 |
Family
ID=39643892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2008/054963 Ceased WO2008138721A1 (en) | 2007-05-11 | 2008-04-24 | Arrangement for lubricating and cooling the lamellar switching elements of a rear axle transmission |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102007022182B4 (en) |
| WO (1) | WO2008138721A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010036826B4 (en) | 2010-08-03 | 2014-05-28 | Gkn Driveline Köping Ab | Compensation unit of a drive train of a motor vehicle and its structure for loss minimization Demand lubrication |
| PL2574827T3 (en) * | 2011-09-30 | 2014-06-30 | Gkn Driveline Koeping Ab | Coupling assembly with oil drainage device |
| JP6131796B2 (en) | 2013-09-13 | 2017-05-24 | アイシン・エィ・ダブリュ株式会社 | Power transmission device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988002450A1 (en) * | 1986-09-30 | 1988-04-07 | Zahnradfabrik Friedrichshafen Ag | Liquid-cooled friction brake |
| DE19722151A1 (en) * | 1996-05-29 | 1997-12-04 | Exedy Corp | Automotive torque converter |
| DE10127944A1 (en) * | 2000-06-09 | 2002-04-11 | Dana Corp | Axle arrangement with liquid-cooled brake |
| AT8015U1 (en) * | 2005-02-25 | 2005-12-15 | Magna Steyr Fahrzeugtechnik Ag | DIFFERENTIAL GEARBOX UNIT FOR MOTOR VEHICLES WITH ACTIVE CONTROL OF THE DRIVE POWER DISTRIBUTION |
| DE102006046487A1 (en) * | 2005-10-07 | 2007-04-19 | Toyota Jidosha Kabushiki Kaisha, Toyota | automatic transmission |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3366210A (en) * | 1965-08-26 | 1968-01-30 | Mack Trucks | Wet clutch lubricating system |
| US4693350A (en) * | 1979-02-05 | 1987-09-15 | Sommer Co. | Clutch-brake unit |
| JPS62283237A (en) * | 1986-05-31 | 1987-12-09 | Asano Haguruma Kosakusho:Kk | Lubricating mechanism for differential limiting mechanism |
| DE4011022A1 (en) * | 1989-04-08 | 1990-10-11 | Zahnradfabrik Friedrichshafen | Drive axle joining transmission and wheel hub - uses circulating fluid to cool multi-plate brakes |
| JP3103779B2 (en) | 1996-11-22 | 2000-10-30 | 建治 三村 | Differential device |
| DE102004047329A1 (en) * | 2003-11-14 | 2005-06-16 | Tochigi Fuji Sangyo K.K. | Torque transmission device and housing construction |
| DE102005004290B4 (en) | 2005-01-28 | 2006-11-02 | Gkn Driveline International Gmbh | Transmission module for variable torque distribution |
-
2007
- 2007-05-11 DE DE102007022182.9A patent/DE102007022182B4/en not_active Expired - Fee Related
-
2008
- 2008-04-24 WO PCT/EP2008/054963 patent/WO2008138721A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988002450A1 (en) * | 1986-09-30 | 1988-04-07 | Zahnradfabrik Friedrichshafen Ag | Liquid-cooled friction brake |
| DE19722151A1 (en) * | 1996-05-29 | 1997-12-04 | Exedy Corp | Automotive torque converter |
| DE10127944A1 (en) * | 2000-06-09 | 2002-04-11 | Dana Corp | Axle arrangement with liquid-cooled brake |
| AT8015U1 (en) * | 2005-02-25 | 2005-12-15 | Magna Steyr Fahrzeugtechnik Ag | DIFFERENTIAL GEARBOX UNIT FOR MOTOR VEHICLES WITH ACTIVE CONTROL OF THE DRIVE POWER DISTRIBUTION |
| DE102006046487A1 (en) * | 2005-10-07 | 2007-04-19 | Toyota Jidosha Kabushiki Kaisha, Toyota | automatic transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007022182A1 (en) | 2008-11-13 |
| DE102007022182B4 (en) | 2015-08-06 |
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